Ophir Energy wraps up Indonesian well testing

London-listed Ophir Energy has completed drill stem testing (DST) of the Paus Biru-1 exploration well in the Sampang PSC offshore Indonesia.

The Sampang PSC is operated by Ophir Energy’s subsidiary Santos Sampang Pty Ltd with a 45% interest. The partners are Singapore Petroleum Sampang Ltd with 40% and Cue Energy’s subsidiary Cue Sampang Pty Ltd with 15%.

Cue Energy said on Tuesday that three Drill Stem Tests (DSTs) were completed on the Paus Biru-1 well. The three DSTs were undertaken within the primary objective Mundu Formation.

The company added that preliminary results were received and that Cue was seeking confirmation and approval from the operator and the Indonesian government for release.

According to the company, the well is currently being plugged and abandoned as planned.

To remind, the work on the Paus Biru-1 well began on Thursday, October 18, with the installation of a 30-inch conductor.

In early November, Ophir Energy noticed elevated gas readings on the well and during drilling operations the company increased its confidence in hydrocarbon presence in several zones within the formation.

 

Paus Biru-1

The primary objective of the well was to test the Early Pliocene Mundu Globigerina limestone reservoirs in the Paus Biru structure which was defined by 3D seismic data as a four-way dip closure with direct hydrocarbon indications.

The Mundu Formation is a proven producing reservoir in Oyong and Wortel fields to the west and Maleo and Peluang fields to the east.

The secondary objective were the overlying siltstones within the Paciran Formation which have proven productivity in the equivalent section in the Oyong field.

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